Issued Patents All Time
Showing 1–25 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11714360 | Lustrous developer, developer container, development device, and image formation apparatus | — | 2023-08-01 |
| 11593928 | Manufacturing history management system and manufacturing history management method | Kojiro Suzuki | 2023-02-28 |
| 11566201 | Plunger lubricant for die casting and method of applying the same | Soichiro Ishida, Eiji Tabata, Katsumi Hongyo, Toshikazu Ikeda | 2023-01-31 |
| 10596618 | Method for producing heat sink | Naoaki SUGIURA, Mitsuhiro Kobayashi, Fumio Kawahara, Katsuhiro Takami | 2020-03-24 |
| 10509339 | Image forming apparatus and image forming method | Kohei KIGAWA | 2019-12-17 |
| 10322446 | Nitrided layer repair method | Eiji Tabata, Yoshiki Tsunekawa, Hiroyuki Matsubara | 2019-06-18 |
| 10191402 | Method for forming developer composed with mother particles containing external additive | — | 2019-01-29 |
| 9713840 | Pipe with rib and method for manufacturing pipe with rib | Tsukasa Kato, Keiichi Morita, Tetsuya Nakajima, Jun Yaokawa, Yasushi Iwata +1 more | 2017-07-25 |
| 9700935 | Manufacturing method of casting, manufacturing device thereof, and casting | Yu Sasaki, Norihiro Amano, Jun Yaokawa, Yasushi Iwata, Yoshio Sugiyama | 2017-07-11 |
| 9644255 | Surface treatment method for metal material and mold treated by surface treatment method | Masahiro Okumiya, Yoshiki Tsunekawa, Nao Kumemoto, Fumio Kawahara, Katsuhiro Takami | 2017-05-09 |
| 9605157 | Surface treatment method and coating agent | Shuji Sotozaki | 2017-03-28 |
| 9498818 | Casting mold and cast article produced using the same | Tomohiro Koyama, Motoaki Ozaki, Shuji Sotozaki, Hiroaki Wakai | 2016-11-22 |
| 9433998 | Surface-treated mold and method of producing surface-treated mold | Jun Yaokawa, Yasushi Iwata | 2016-09-06 |
| 9421605 | Mold release agent and casting method | Toshio Uchida, Setsuyu Hayakawa | 2016-08-23 |
| 9382497 | Lubricant for a plunger and production method thereof | Hiroshi Kawai, Yasufumi Kondo | 2016-07-05 |
| 9347135 | Method for rust-proofing mold | Ikuo Yamauchi | 2016-05-24 |
| 9163992 | Abnormal measurement detection device and method for infrared radiation thermometer | Shingo Nakamura, Yuji Okada, Fumio Kawahara | 2015-10-20 |
| 8992705 | Microcrystalline alloy, method for production of the same, apparatus for production of the same, and method for production of casting of the same | Yoshiki Tsunekawa | 2015-03-31 |
| 8895102 | Method of treating surface of mold | — | 2014-11-25 |
| 8657252 | Surface-treated mold and method of producing surface-treated mold | Jun Yaokawa, Yasushi Iwata | 2014-02-25 |
| 8646745 | Mold, solidified body, and methods of manufacture thereof | Jun Yaokawa, Yasushi Iwata, Yoshio Sugiyama, Hiroaki Iwahori, Shuxin Dong | 2014-02-11 |
| 8445847 | Abnormal measurement detection device and method for infrared radiation thermometer | Shingo Nakamura, Yuji Okada, Fumio Kawahara | 2013-05-21 |
| 8413708 | Casting mold surface treatment method | Fumio Kawahara, Hidenori Matsuoka, Hitoshi Kabasawa | 2013-04-09 |
| 8411438 | Heat sink for power module | Hidehito Kubo, Masahiko Kimbara, Keiji Toh, Kota Otoshi, Eiji Kono +4 more | 2013-04-02 |
| 8387685 | Heat sink for power module | Masahiko Kimbara, Keiji Toh, Hidehito Kubo, Katsufumi Tanaka, Kota Otoshi +4 more | 2013-03-05 |